this derivation will be built:
  /nix/store/581w7gqxn4n5bbwbn9gg88c19w3sv1s5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/581w7gqxn4n5bbwbn9gg88c19w3sv1s5-bcachefs-module-7.0.0-39-generic.drv'...